gain of ham antenna

16 links

160 meter antenna problems and solutions - NM7M
The quarter wave Marconi working against ground is a popular and inexpensive antenna for 160 ...

[ Hits: 107 | Votes: 0 | Rating: 0 ]

QM5 Yagi for 2 meters band - I0QM
The QM5 antenna is a simple 5 elements Yagi with 1 88 m boom length ...

[ Hits: 6871 | Votes: 4 | Rating: 5.25 ]
QM7 7 elements 144 MHz Yagi-Uda Antenna
The QM7 antenna is a simple 7 elements Yagi with 3 70 m boom length ...

[ Hits: 5361 | Votes: 15 | Rating: 5.27 ]

A comparison of 40 meter beam antennas - W1EJM
This page describes a comparison study on seven different beam antennas for 40 meters band ...

[ Hits: 268 | Votes: 0 | Rating: 0 ]

Portable 70cm Quadruple Quad Beam
A suitable high gain 70cms antenna for SOTA operation was sought that did not have ...

[ Hits: 3549 | Votes: 3 | Rating: 8 ]

Inverted Vee monoband antenna
This project will enable you to build a monoband long wire inverted vee with 3 ...

[ Hits: 2263 | Votes: 1 | Rating: 10 ]

The J-pole Antenna Revisited Yet Again
The dynamics of antenna design

[ Hits: 3509 | Votes: 1 | Rating: 10 ]
Improving Gain of the Super J-Pole Antenna - John S. Huggins
The collinear J Pole often known as the Super J does improve the behavior over ...

[ Hits: 192 | Votes: 0 | Rating: 0 ]

The full-wave loop antenna
These omnidirectional antennas offer Horizontal polarization and about 2 1 dbd of gain They are ...

[ Hits: 5053 | Votes: 4 | Rating: 6.5 ]

Cavity antennas - S53MV
Cavity antennas are weatherproof antennas for UHF and microwave frequencies Require more metal for the ...

[ Hits: 305 | Votes: 2 | Rating: 5.5 ]

LA1IC Coax-Fed slooping longwire
Simple inexpensive and easy to erect this antenna provides directivity low angle radiation and a ...

[ Hits: 3921 | Votes: 3 | Rating: 7 ]

Calculate antenna gain
Guide to calculate effective gain of antennas

[ Hits: 10331 | Votes: 96 | Rating: 6.51 ]
Antenna Gain versus Height - K6STI
Antenna gain for horizontal vertical and tilted orientation of a dipole for heights between 5 ...

[ Hits: 1767 | Votes: 8 | Rating: 4.75 ]
Wire Loss and Antenna Gain
Discussion at eham about wire size used in wire antennas and how it affects the ...

[ Hits: 847 | Votes: 0 | Rating: 0 ]

Lazy H Array Antenna for 40 meter - NA4L
Make them simple then Make them work The LAZY H antenna is a general type ...

[ Hits: 284 | Votes: 3 | Rating: 5.33 ]

ERP Calculator Plus - Dave, KD4UDY
ERP Calculator is an Amateur Radio software utility designed to perform a side by side ...

[ Hits: 3002 | Votes: 9 | Rating: 5.11 ]